Fluke 50S, 50D warranty International Symbols, Precautions and Safety Information

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50S & 50D Thermometer

Calibration Information

International Symbols

Table 1 identifies the international electrical symbols used in this document.

Table 1. International Electrical Symbols Used in this Document

N

Low Battery

Complies with relevant Canadian Standards Association directives

Underwriters Laboratories, Inc.

Important information

Complies with European Union directives

Precautions and Safety Information

Use the thermometer only in the ways specified in the 50S & 50D Users Manual, part number 1278540.

In this manual, a Warning statement identifies conditions and actions that pose a hazard to the user; a Caution statement identifies conditions and actions that may damage the thermometer or the test instruments.

Safety Information

WWarning

To avoid electrical shock or personal injury, follow these guidelines:

Before using the thermometer, inspect the case. Do not use the thermometer if it appears damaged. Look for cracks or missing plastic. Pay particular attention to the insulation around the connectors.

Disconnect the thermocouple(s) from the thermometer before opening the case.

Replace the battery as soon as the low battery indicator (N) appears. The possibility of false readings can lead to personal injury.

Do not use the thermometer if it operates abnormally. Protection may be impaired. When in doubt, have the thermometer serviced.

Do not operate the thermometer around explosive gas, vapor, or dust.

Do not apply more than the rated voltage, as marked on the thermometer, between the thermocouple(s), or between any thermocouple and earth ground.

When servicing the thermometer, use only specified replacement parts.

Do not use the thermometer with any part of the case or cover removed.

Caution

To avoid damaging the thermometer or the equipment under test:

Use the proper thermocouples, function, and range for your thermometer.

Do not attempt to recharge the battery.

To prevent explosion, do not dispose of battery in fire.

Follow local laws or regulations when disposing of battery.

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Contents Introduction ServiceWarranty International Electrical Symbols Used in this Document International SymbolsPrecautions and Safety Information Specifications Basic MaintenanceDisassembly/Reassembly Thermometer Disassembly and Reassembly 50D is shownChanging the Battery Replacing the Battery 50D is shownDisplay Test Required Test EquipmentPerformance Tests Wide Range Performance Test Procedure 50S Display 50D DisplayIce Bath Test Calibration Thermometer CalibrationCalibration Connections A1 Main PCA Adjustments Thermocouple Input Calibration OptionalRoom Temperature Lag Bath Qty Fluke Part Number Replaceable PartsNumber 50D Replaceable Parts DescriptionExploded View Diagram Model 50D is Shown